isa.cc revision 6330
1/* 2 * Copyright (c) 2009 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Gabe Black 29 */ 30 31#include "arch/alpha/isa.hh" 32#include "base/misc.hh" 33#include "cpu/thread_context.hh" 34 35namespace AlphaISA 36{ 37 38void 39ISA::serialize(std::ostream &os) 40{ 41 SERIALIZE_SCALAR(fpcr); 42 SERIALIZE_SCALAR(uniq); 43 SERIALIZE_SCALAR(lock_flag); 44 SERIALIZE_SCALAR(lock_addr); 45 SERIALIZE_ARRAY(ipr, NumInternalProcRegs); 46} 47 48void 49ISA::unserialize(Checkpoint *cp, const std::string §ion) 50{ 51 UNSERIALIZE_SCALAR(fpcr); 52 UNSERIALIZE_SCALAR(uniq); 53 UNSERIALIZE_SCALAR(lock_flag); 54 UNSERIALIZE_SCALAR(lock_addr); 55 UNSERIALIZE_ARRAY(ipr, NumInternalProcRegs); 56} 57 58 59MiscReg 60ISA::readMiscRegNoEffect(int misc_reg, ThreadID tid) 61{ 62 switch (misc_reg) { 63 case MISCREG_FPCR: 64 return fpcr; 65 case MISCREG_UNIQ: 66 return uniq; 67 case MISCREG_LOCKFLAG: 68 return lock_flag; 69 case MISCREG_LOCKADDR: 70 return lock_addr; 71 case MISCREG_INTR: 72 return intr_flag; 73 default: 74 assert(misc_reg < NumInternalProcRegs); 75 return ipr[misc_reg]; 76 } 77} 78 79MiscReg 80ISA::readMiscReg(int misc_reg, ThreadContext *tc, ThreadID tid) 81{ 82 switch (misc_reg) { 83 case MISCREG_FPCR: 84 return fpcr; 85 case MISCREG_UNIQ: 86 return uniq; 87 case MISCREG_LOCKFLAG: 88 return lock_flag; 89 case MISCREG_LOCKADDR: 90 return lock_addr; 91 case MISCREG_INTR: 92 return intr_flag; 93 default: 94 return readIpr(misc_reg, tc); 95 } 96} 97 98void 99ISA::setMiscRegNoEffect(int misc_reg, const MiscReg &val, ThreadID tid) 100{ 101 switch (misc_reg) { 102 case MISCREG_FPCR: 103 fpcr = val; 104 return; 105 case MISCREG_UNIQ: 106 uniq = val; 107 return; 108 case MISCREG_LOCKFLAG: 109 lock_flag = val; 110 return; 111 case MISCREG_LOCKADDR: 112 lock_addr = val; 113 return; 114 case MISCREG_INTR: 115 intr_flag = val; 116 return; 117 default: 118 assert(misc_reg < NumInternalProcRegs); 119 ipr[misc_reg] = val; 120 return; 121 } 122} 123 124void 125ISA::setMiscReg(int misc_reg, const MiscReg &val, ThreadContext *tc, 126 ThreadID tid) 127{ 128 switch (misc_reg) { 129 case MISCREG_FPCR: 130 fpcr = val; 131 return; 132 case MISCREG_UNIQ: 133 uniq = val; 134 return; 135 case MISCREG_LOCKFLAG: 136 lock_flag = val; 137 return; 138 case MISCREG_LOCKADDR: 139 lock_addr = val; 140 return; 141 case MISCREG_INTR: 142 intr_flag = val; 143 return; 144 default: 145 setIpr(misc_reg, val, tc); 146 return; 147 } 148} 149 150} 151